03

代码说明：

说明：  如今是网络化的电子信息时代，在广阔的Internet网络中有各种各样的电子商城，它们可以使客户通过网络购物、浏览商品、查询订单和销售排行。通过对电子商务网站订购环境以及购物过程的调查研究。(Today is a network of electronic information age, in the vast Internet network, a wide variety of electronic mall, they can enable customers to online shopping, browse products, check orders and sales ranking. Order by e-commerce sites and shopping environment for the process of investigation.)